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Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…
... could do in each visible cycle. But given my Sam is ... -
Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... for example is 1 m-cycle and 6 t-states (and ... -
Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... for example is 1 m-cycle and 6 t-states (and ... -
Carry the 1Woohoo! Look at all those lurvely 9's in the Thunderstats counter ([URL="http://www.worldofspectrum.org/"]front page[/URL])! Within the next 24 hours…
[quote=chop983]Err, what's it counting exactly[/quote]
Unique visitors per day (likewise, it has counted 217,045,196 page hits so far) since 19 August 2000. -
Boxes and Boxes of Books!!![URL="http://zxgoldenyears.com/images/books.jpg"]Yaaaay!!! I got books. I got books. I got books.[/URL] Do you got books? Andrew (Sorry... a …
... finish, 5 more hours and counting. Will post my impressions tomorrow ... -
Boxes and Boxes of Books!!![URL="http://zxgoldenyears.com/images/books.jpg"]Yaaaay!!! I got books. I got books. I got books.[/URL] Do you got books? Andrew (Sorry... a …
... finish, 5 more hours and counting. Will post my impressions tomorrow ... -
Number of reviewed games?Does anyone have a quick answer as to how many programs were reviewed in the Spectrum magazines during their lifetime? If you don't, I'll finally ge…
... it. Here I'm just counting entries which I've chosen ... -
jet set willy multi playercant believe what ive just seen posted on retro remakes. mersey remakes, smila, scottige and ovine are doing a multi player jet set willy. what a gen…
... tune too often (e.g. cycle it 6x or more) the ... -
Windows VistaNever installed my Beta version, too many bad reports. Anybody tried it yet? I was reading a report that said serious 3D acceleration was required …
I see nothing in Vista which I need, and certainly nothing that justifies a pretty hefty PC upgrade. From where I'm sitting, it looks to be aimed at corporates with more money than sense and think that the upgrade cycle is compulsory. -
Windows VistaNever installed my Beta version, too many bad reports. Anybody tried it yet? I was reading a report that said serious 3D acceleration was required …
Windows VistaNever installed my Beta version, too many bad reports. Anybody tried it yet? I was reading a report that said serious 3D acceleration was required …
... Windows XP Pro - I'm counting on you not to fek ...I/O contention model questionHi everyone, Sorry for my poor english. Together with a friend we are working on ZX Spectrum 48k implemented in FPGA. We have found bug in the Spect…
... /> see this table:
Cycle # Delay
------- -----
14335 ... A0,iorq=00 before cycle 14335 then the cpu ... to read video ram at cycle 14337. if the contention ... becomes active after cycle 14335 then cpu is ...I/O contention model questionHi everyone, Sorry for my poor english. Together with a friend we are working on ZX Spectrum 48k implemented in FPGA. We have found bug in the Spect…
... /> 2. We are at T2 cycle, but ULA doesn't want ... /> 3. Now next cycle, We are at TW cycle. ULA is about ... of instructions have IO machine cycle at the end.I/O contention model questionHi everyone, Sorry for my poor english. Together with a friend we are working on ZX Spectrum 48k implemented in FPGA. We have found bug in the Spect…
... video memory one cycle before the first contended cycle then this operation ... T1 so it's 3 cycle long, not four (like memory ... /> 3. Now next cycle, We are at TW cycle. ULA is about ... starts at the first contended cycle or later then the ula ...I/O contention model questionHi everyone, Sorry for my poor english. Together with a friend we are working on ZX Spectrum 48k implemented in FPGA. We have found bug in the Spect…
[quote=brian-82;170002]
To be strict, in the FAQ is bug in INI/OUTI descriptions, as Zilog manual says that both types of instructions have IO machine cycle at the end.[/quote]
Then the Zilog manual has a bug :)I/O contention model questionHi everyone, Sorry for my poor english. Together with a friend we are working on ZX Spectrum 48k implemented in FPGA. We have found bug in the Spect…
... 37% of FPGA resources (not counting memory blocks). I've put ...Death of the Computer Science DepartmentRead this article on the death of the computer science department in universities by Neil McBride from De Montfort. It makes very interesting (and wo…
... is more complicated than just counting the instructions, but I'm ...The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…
... adds all in a single cycle as the internal buses and ...Fixing Attribute Clash via emulationI'm sorry if this has been posted already, but is there a possibility to fix attribute clash via emulation? I'm not talking about RealSpec or any of …
... next colour.
and 7 ; Cycle back to black when we ...Help make Retro Gamer greatI'm more than happy with the articles that are now appearing in Retro Gamer, but I want it to become far more of a hub for the retro community than i…
... refridgeration effect, known as the "cycle accurate" system. This in turn ...Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…
... instructions execute in one clock cycle) could emulate the ULA in ...Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…
... of the z80 (1 z80 cycle = 4 Atmega cycles). For an ... and attr (at least 1 cycle amortized over 8 pixels -- or ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... routine at 3120 twice per cycle. This reverses the attribute inverses ...Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... the inverted attributes every other cycle. i.e. you need to ... like in the first POKE cycle (no need to PEEK again ... ), then in the second POKE cycle, revert to what used to ... loop so that the second cycle only occurs if a key ...Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…
... of my head: T-States counting next to each opcode on ...Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…
... .
[QUOTE]T-States counting next to each opcode on ...Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…
... of my head: T-States counting next to each opcode on ...What happened to [insert nick here]?I've been reading the old threads and I wonder why some people stopped posting. I'm going to post a few nicks, and maybe this thread could be used to…
[QUOTE=piters;177936]Frankily, here is not much interesting for an old member.
ZXBruno keeps forum alive :D[/QUOTE]
1000 views and counting. Not much interest you say? ;)Worst game ever...?I was wondering which spectrum game was widely regarded as being the worst game ever? I don't just mean by personal opinion, but a universal accepta…
... be probabaly the best example (counting myself to the later group ...